oa South African Medical Journal - The mucosa of the recto-sigmoid in ulcerative colitis



In patients who suffered from� ulcerative colitis, examined during a remission and in a stage when the whole or a portion of the visible mucosal surface of the recto-sigmoid looked normal, it was found that mechanical stimulation of the normal-looking portions of the mucosa led to the development of a localized area of oedema.


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